1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /**
25 * @test
26 * @bug 8038000
27 *
28 * @summary Verifies that we could create different type of Rasters with height 1
29 * and strideline which exceeds raster width.
30 * Also checks that a set of RasterOp work correctly with such kind of Rasters.
31 *
32 * @run main bug8038000
33 */
34
35 import java.awt.*;
36 import java.awt.color.ColorSpace;
37 import java.awt.geom.AffineTransform;
38 import java.awt.image.*;
39 import java.util.Arrays;
40
41 public class bug8038000 {
42
43 public static void main(String[] args) throws Exception {
44 new bug8038000().checkOps();
45
46 // No exceptions - Passed
47 }
48
49 private void checkOps() throws Exception {
50
51 RasterOp[] ops = new RasterOp[] {
52 new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_sRGB),
53 ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), null),
54 new AffineTransformOp(AffineTransform.getScaleInstance(1, 1.1), null)
55 };
56
57
58 for (RasterOp op: ops) {
59 // Banded rasters
60 checkOp(Raster.createBandedRaster(DataBuffer.TYPE_BYTE, 10, 1, 10,
61 new int[] {0, 1, 2}, new int[]{2,1,0}, null),
62 Raster.createBandedRaster(DataBuffer.TYPE_BYTE, 10, 1, 1001,
63 new int[] {0, 1, 2}, new int[]{2,1,0}, null), op);
64 checkOp(Raster.createBandedRaster(DataBuffer.TYPE_USHORT, 10, 1, 10,
65 new int[] {0, 1, 2}, new int[]{2,1,0}, null),
66 Raster.createBandedRaster(DataBuffer.TYPE_USHORT, 10, 1, 1001,
67 new int[] {0, 1, 2}, new int[]{2,1,0}, null), op);
68 checkOp(Raster.createBandedRaster(DataBuffer.TYPE_INT, 10, 1, 10,
69 new int[] {0, 1, 2}, new int[]{2,1,0}, null),
70 Raster.createBandedRaster(DataBuffer.TYPE_INT, 10, 1, 1001,
71 new int[] {0, 1, 2}, new int[]{2,1,0}, null), op);
72
73 // Interleaved rasters
74 checkOp(Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
75 10, 1, 30, 3, new int[]{0, 1, 2}, null),
76 Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE,
77 10, 1, 1001, 3, new int[]{0, 1, 2}, null),
78 op);
79
80 checkOp(Raster.createInterleavedRaster(DataBuffer.TYPE_USHORT,
81 10, 1, 30, 3, new int[]{0, 1, 2}, null),
82 Raster.createInterleavedRaster(DataBuffer.TYPE_USHORT,
83 10, 1, 1001, 3, new int[]{0, 1, 2}, null),
84 op);
85
86 // Packed rasters
87 checkOp(Raster.createPackedRaster(new DataBufferByte(10), 10, 1, 10,
88 new int[] {0x01, 0x02, 0x04}, null),
89 Raster.createPackedRaster(new DataBufferByte(10), 10, 1, 2000,
90 new int[] {0x01, 0x02, 0x04}, null),
91 op);
92 checkOp(Raster.createPackedRaster(new DataBufferInt(10), 10, 1, 10,
93 new int[] {0xff0000, 0x00ff00, 0x0000ff}, null),
94 Raster.createPackedRaster(new DataBufferInt(10), 10, 1, 20,
95 new int[] {0xff0000, 0x00ff00, 0x0000ff}, null),
96 op);
97
98 }
99 }
100
101 /**
102 * Takes two identical rasters (identical with the exception of scanline stride)
103 * fills their pixels with identical data, applies the RasterOp to both rasters
104 * and checks that the result is the same
105 */
106 private void checkOp(WritableRaster wr1, WritableRaster wr2, RasterOp op) {
107 System.out.println("Checking " + op + " with rasters: \n " + wr1 +
108 "\n " + wr2);
109 try {
110 WritableRaster r1 = op.filter(fillRaster(wr1), null);
111 WritableRaster r2 = op.filter(fillRaster(wr2), null);
112 compareRasters(r1, r2);
113 } catch (ImagingOpException e) {
114 System.out.println(" Skip: Op is not supported: " + e);
115 }
116 }
117
118 private WritableRaster fillRaster(WritableRaster wr) {
119 int c = 0;
120 for(int x = wr.getMinX(); x < wr.getMinX() + wr.getWidth(); x++) {
121 for(int y = wr.getMinY(); y < wr.getMinY() + wr.getHeight(); y++) {
122 for (int b = 0; b < wr.getNumBands(); b++) {
123 wr.setSample(x, y, b, c++);
124 }
125 }
126 }
127 return wr;
128 }
129
130 private void compareRasters(Raster r1, Raster r2) {
131 Rectangle bounds = r1.getBounds();
132 if (!bounds.equals(r2.getBounds())) {
133 throw new RuntimeException("Bounds differ.");
134 }
135
136 if (r1.getNumBands() != r2.getNumBands()) {
137 throw new RuntimeException("Bands differ.");
138 }
139
140 int[] b1 = new int[r1.getNumBands()];
141 int[] b2 = new int[r1.getNumBands()];
142
143 for (int x = (int) bounds.getX(); x < bounds.getMaxX(); x++) {
144 for (int y = (int) bounds.getY(); y < bounds.getMaxY(); y++) {
145 r1.getPixel(x,y, b1);
146 r2.getPixel(x,y, b2);
147 if (!Arrays.equals(b1, b2)) {
148 throw new RuntimeException("Pixels differ.");
149 }
150 }
151 }
152 }
153 }